﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace CH2_2
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.BackgroundColor = ConsoleColor.Red;
            Console.ForegroundColor = ConsoleColor.Black;
            Console.WriteLine("{0}底{1}字", ConsoleColor.Red, ConsoleColor.Black);
            Console.ReadLine();

        }
    }
}
